Consolidated Balance Sheets - USD ($) $ in Thousands	Jun. 30, 2024	Jun. 30, 2023
Current Assets
Cash and cash equivalents	$ 27,399	$ 25,401
Restricted cash	1,000	1,000
Investments in trading securities at fair value, current	9,644	11,642
Accounts and other receivables (net of allowance for credit losses of $0, and $0, respectively)	1,047	1,245
Tax receivable	729	576
Prepaid expenses	498	510
Total Current Assets	40,317	40,374
Net Property and Equipment	1,154	1,138
Other Assets
Deferred tax asset	1,833	1,920
Investments in trading securities at fair value, non-current	1,449	1,563
Investments in available-for-sale debt securities at fair value (amortized cost: $6,204, and $7,729, respectively) (net of allowance for credit losses of $0, and $0, respectively)	4,414	7,008
Investments in held-to-maturity debt securities at amortized cost	1,000	1,000
Less: Allowance for credit losses	(132)	0
Investments in held-to-maturity debt securities, net of allowance for credit losses	868	1,000
Other investments	1,687	2,388
Financing lease, right of use assets	38	65
Other assets, non-current	203	217
Total Other Assets	10,492	14,161
Total Assets	51,963	55,673
Current Liabilities
Accounts payable	14	143
Accrued compensation and related costs	609	1,165
Dividends payable	313	329
Financing lease liability, short-term	31	28
Other accrued expenses	1,197	1,274
Total Current Liabilities	2,164	2,939
Long-Term Liabilities
Deferred tax liability	0	4
Reserve for uncertain tax positions	785	671
Financing lease liability, long-term	8	38
Total Long-Term Liabilities	793	713
Total Liabilities	2,957	3,652
Commitments and Contingencies (Note 18)
Shareholders’ Equity
Additional paid-in-capital	16,443	16,442
Treasury stock, class A shares at cost; 2,113,516 and 1,370,325 shares at June 30, 2024, and June 30, 2023, respectively	(5,880)	(3,740)
Accumulated other comprehensive income, net of tax	584	1,348
Retained earnings	37,460	37,572
Total Shareholders’ Equity	49,006	52,021
Total Liabilities and Shareholders’ Equity	51,963	55,673
Common Class A [Member]
Shareholders’ Equity
Common Stock	347	347
Common Class B [Member]
Shareholders’ Equity
Common Stock	0	0
Common Class C [Member]
Shareholders’ Equity
Common Stock	$ 52	$ 52